freebsd-nq/etc/rc.d/faith
Hiroki Sato ccbc06d893 Revert the previous afexists() change. Knobs configured explicitly by
the user should not be ignored if possible even if the kernel does not
support the prerequisite feature.

Discussed with:	ume
2009-10-02 06:19:34 +00:00

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#!/bin/sh
# $FreeBSD$
#
# PROVIDE: faith
# REQUIRE: netif routing
# KEYWORD: nojail
. /etc/rc.subr
. /etc/network.subr
name="faith"
start_cmd="faith_up"
stop_cmd="faith_down"
faith_up()
{
case ${ipv6_faith_prefix} in
[Nn][Oo] | '')
;;
*)
echo "Configuring IPv6-to-IPv4 TCP relay capturing interface:" \
" faith0."
${SYSCTL_W} net.inet6.ip6.keepfaith=1
ifconfig faith0 create >/dev/null 2>&1
ifconfig faith0 up
for prefix in ${ipv6_faith_prefix}; do
prefixlen=`expr "${prefix}" : ".*/\(.*\)"`
case ${prefixlen} in
'')
prefixlen=96
;;
*)
prefix=`expr "${prefix}" : \
"\(.*\)/${prefixlen}"`
;;
esac
route add -inet6 ${prefix} -prefixlen ${prefixlen} ::1
route change -inet6 ${prefix} -prefixlen ${prefixlen} \
-ifp faith0
done
if [ -z "${rc_quiet}" ]; then
ifconfig faith0
fi
;;
esac
}
faith_down()
{
echo "Removing IPv6-to-IPv4 TCP relay capturing interface: faith0."
ifconfig faith0 destroy
${SYSCTL_W} net.inet6.ip6.keepfaith=0
case ${ipv6_faith_prefix} in
[Nn][Oo] | '')
;;
*)
for prefix in ${ipv6_faith_prefix}; do
prefixlen=`expr "${prefix}" : ".*/\(.*\)"`
case ${prefixlen} in
'')
prefixlen=96
;;
*)
prefix=`expr "${prefix}" : \
"\(.*\)/${prefixlen}"`
;;
esac
route delete -inet6 ${prefix} -prefixlen ${prefixlen}
done
;;
esac
}
load_rc_config $name
run_rc_command "$1"